Toether Pencil Topper, Good Flexibility Silicone Chew Pen, Safe to Use, Suitable for Children with Sensory Chewing Needs (#2) : Amazon.de: Health & Personal Care
When Kids Chew on Pencils - Therapy Fun Zone
My classmate asked me for a pen. He started chewing it. : r/mildlyinfuriating
Chewing pen lids can destroy your teeth and even turn them brown